Round the discount amount before applying to multiple quantity

Round the discount amount before applying to multiple quantity

function woo_discount_rules_discount_amount_before_apply_method($discount_amount){
	$discount_amount = wc_round_discount($discount_amount, 2);
	return $discount_amount;
}
add_filter('woo_discount_rules_discount_amount_before_apply', 'woo_discount_rules_discount_amount_before_apply_method', 10);